28414618 has 8 divisors (see below), whose sum is σ = 42843348. Its totient is φ = 14133504.

The previous prime is 28414609. The next prime is 28414627. The reversal of 28414618 is 81641482.

It is an interprime number because it is at equal distance from previous prime (28414609) and next prime (28414627).

It can be written as a sum of positive squares in 2 ways, for example, as 28058209 + 356409 = 5297^2 + 597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36421 + ... + 37192.

Almost surely, 2^28414618 is an apocalyptic number.

28414618 is a deficient number, since it is larger than the sum of its proper divisors (14428730).

28414618 is a wasteful number, since it uses less digits than its factorization.

28414618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73808.

The product of its digits is 12288, while the sum is 34.

The square root of 28414618 is about 5330.5363707605. The cubic root of 28414618 is about 305.1503979207.

The spelling of 28414618 in words is "twenty-eight million, four hundred fourteen thousand, six hundred eighteen".